The use of vegetable oils for engine fuels may seem insignificant today, but such oils may become, in the course of time, as important as petroleum and the coal-tar products of the present time.
植物油作为发动机燃料的使用在今天看来可能微不足道，但这些油或许会随着时间的推移变得像石油和煤焦油产品一样重要。
生命是一首用泪与笑写成的诗。
To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.
The advancement of mathematics is through generalization.
说某事就是执行一项行动，而执行行动就是用言辞来实现某事。
我们最终拥有的唯一工具是我们自己的感知。